<SEC-DOCUMENT>0000947871-25-000498.txt : 20250512
<SEC-HEADER>0000947871-25-000498.hdr.sgml : 20250512
<ACCEPTANCE-DATETIME>20250512203138
ACCESSION NUMBER:		0000947871-25-000498
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250509
FILED AS OF DATE:		20250512
DATE AS OF CHANGE:		20250512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Xia Howard H.
		CENTRAL INDEX KEY:			0001517296
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39375
		FILM NUMBER:		25936771

	MAIL ADDRESS:	
		STREET 1:		C/O COHERENT CORP.
		STREET 2:		375 SAXONBURG BLVD
		CITY:			SAXONBURG
		STATE:			PA
		ZIP:			16056

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COHERENT CORP.
		CENTRAL INDEX KEY:			0000820318
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				251214948
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		375 SAXONBURG BLVD
		CITY:			SAXONBURG
		STATE:			PA
		ZIP:			16056
		BUSINESS PHONE:		724-352-4455

	MAIL ADDRESS:	
		STREET 1:		375 SAXONBURG BLVD
		CITY:			SAXONBURG
		STATE:			PA
		ZIP:			16056

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	II-VI INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
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    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-05-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000820318</issuerCik>
        <issuerName>COHERENT CORP.</issuerName>
        <issuerTradingSymbol>COHR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001517296</rptOwnerCik>
            <rptOwnerName>Xia Howard H.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O COHERENT CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>375 SAXONBURG BLVD.</rptOwnerStreet2>
            <rptOwnerCity>SAXONBURG</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>16056</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.84</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>48747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-09</value>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.84</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>49747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>76.84</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>48747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>78.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47747</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.84</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-05-09</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-08-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>17.84</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-05-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-08-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option vested in 5 equal annual installments beginning on August 15, 2016.</footnote>
    </footnotes>

    <remarks>Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Christopher M. Forrester, Attorney-in-Fact</signatureName>
        <signatureDate>2025-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ss4779161_ex24.htm
<DESCRIPTION>SUBSTITUTE POWER OF ATTORNEY
<TEXT>
<HTML>
<HEAD>
<TITLE></TITLE>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 9.05pt 0 0; text-align: center; color: #232323"><B>SUBSTITUTE POWER OF ATTORNEY</B></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 8.6pt 0 0; text-indent: 33.1pt; color: #232323">Under the terms of powers
of attorney (each, a &#8220;Power of Attorney&#8221;) previously filed with the U.S. Securities and Exchange Commission, the undersigned,
Jeffrey W. Acre was appointed an attorney-in-fact to, among other things, execute for and on behalf of the following individuals any Forms
3, 4 and 5 or any amendments thereto, in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules
thereunder:</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 7.5pt 2pt 0 39.2pt; text-indent: 0.45pt; color: #232323">Christopher
Koeppen<BR>
Giovanni Barbarossa<BR>
Michael L. Dreyer<BR>
Patricia Hatter<BR>
Lisa Neal-Graves<BR>
Shaker Sadasivam<BR>
Howard H. Xia<BR>
Joseph J. Corasanti<BR>
Emico DiGirolamo</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 8.6pt 0 0; text-indent: 33.1pt; color: #232323">In accordance with the
authority granted under each Power of Attorney, including the full power of substitution, the undersigned hereby appoints Aaron Wax, Chris
Forrester and Yian Huang as substitute attorneys-in-fact, on behalf of the individuals listed above, with the power to exercise and execute
all of the powers granted or conferred in the original Power&middot; of Attorney. By their signatures as attorneys-in-fact to this Substitute
Power of Attorney, Aaron Wax, Chris Forrester and Yian Huang accept such appointment and agree to assume from the undersigned any and
all duties and responsibilities attendant to their capacity as attorneys-in-fact.</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 8.6pt 0 0; text-indent: 33.1pt; color: #232323">This Substitute Power
of Attorney shall remain in full force and effect until the underlying Power of Attorney is revoked or terminated, unless earlier revoked
by the undersigned in a signed writing.</P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 8.6pt 0 0; text-indent: 33.1pt"><FONT STYLE="color: #232323">IN WITNESS
WHEREOF</FONT><FONT STYLE="color: #3A3A3A">, </FONT><FONT STYLE="color: #232323">the undersigned has caused this Substitute Power of Attorney
to be executed as of March </FONT><FONT STYLE="color: #3A3A3A"><U>18</U>, </FONT><FONT STYLE="color: #232323">2025.</FONT></P>

<P STYLE="font: 12pt/107% Times New Roman, Times, Serif; margin: 0pt 0 0"><FONT STYLE="color: #232323">&nbsp;</FONT></P>

<P STYLE="font: 12pt/21.65pt Times New Roman, Times, Serif; margin: 0pt 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Signature:
<U>/s/ Jeffrey W. Acre</U></FONT></P>

<P STYLE="font: 12pt/12.45pt Times New Roman, Times, Serif; margin: 0 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Name:
Jeffrey W. Acre</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="line-height: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="line-height: normal">We accept this appointment and substitution:</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="line-height: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt/21.65pt Times New Roman, Times, Serif; margin: 0.4pt 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Signature:
<U>/s/ Aaron Wax&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></P>

<P STYLE="font: 12pt/12.45pt Times New Roman, Times, Serif; margin: 0 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Name:
Aaron Wax</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="line-height: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt/21.65pt Times New Roman, Times, Serif; margin: 0.4pt 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Signature:
<U>/s/ Chris Forrester&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></P>

<P STYLE="font: 12pt/12.45pt Times New Roman, Times, Serif; margin: 0 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Name:
Chris Forrester</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="line-height: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt/21.65pt Times New Roman, Times, Serif; margin: 0.4pt 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Signature:
<U>/s/ Yian Huang&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></P>

<P STYLE="font: 12pt/12.45pt Times New Roman, Times, Serif; margin: 0 0 0 38.9pt; color: #232323"><FONT STYLE="line-height: normal">Name:
Yian Huang</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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